[ 3165.165305][T27757] gre: GRE over IPv4 demultiplexor driver [ 3166.434790][T27780] ip_gre: GRE over IPv4 tunneling driver [ 3203.420706][T28351] ip6_gre: GRE over IPv6 tunneling driver [ 3220.581795][T28645] ping (28645) used greatest stack depth: 22448 bytes left [ 3227.673645][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3231.449566][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3234.714560][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3238.490583][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!